Spherical alloy powder has many excellent properties, which determine its wide application in industrial and scientific research fields.
Chemical properties: The chemical properties of spherical alloy powder mainly depend on the alloying elements of which it is composed. Spherical alloy powders with specific chemical properties can be obtained by adjusting the types and proportions of alloying elements. For example, adding alloying element chromium can enhance spherical alloy powder's corrosion resistance and hardness. In contrast, adding alloying element tungsten can improve its melting point and hardness.
Physical properties: The physical properties of spherical alloy powder are also very important. Its density, melting point, resistance, and other parameters are adjustable following the proportion and type of alloying elements. Among them, the melting point of spherical alloy powder directly affects the safety of its processing and use, and the resistivity is related to its conductive properties in the circuit.
Mechanical properties: Spherical alloy powder has good mechanical properties, including high strength, wear resistance, fatigue resistance, etc. These properties make spherical alloy powder have many advantages in manufacturing and processing, such as high-strength structural parts and wear parts that can be produced, improve manufacturing efficiency, and reduce costs.
Electromagnetic properties: The electromagnetic properties of spherical alloy powder are also very extensive, including magnetism, electrical conductivity, thermal conductivity, and so on. For example, some spherical alloy powders containing iron have good magnetic properties and can be used to manufacture magnetic devices. In addition, spherical alloy powder's conductivity and thermal conductivity also have an important influence on its application in electronics and communication.
Thermal properties: The thermal properties of spherical alloy powder are also one of its important properties. These properties, including thermal expansion coefficient, melting point range, specific heat capacity, etc., affect its performance and processing range under different temperature conditions. For example, alloys with a wide melting point range can be processed and used within a certain temperature range to meet the needs of specific fields.
Biocompatibility: Some spherical alloy powders with special components also have good biocompatibility and can be used in the biomedical field. For example, titanium powder can be used to manufacture medical devices such as artificial joints and dental plants, and its good biocompatibility and mechanical properties make it an ideal biomedical material.
Manufacturing of high-performance structural parts: spherical alloy powder with high strength, wear resistance, fatigue resistance, and other mechanical properties can be used to manufacture high-performance structural parts. For example, engine parts made with spherical alloy powders can significantly improve their performance and service life in automotive manufacturing.
Manufacturing Functional Materials: Spherical alloy powders have many adjustable properties and can manufacture various functional materials. For example, by adjusting the type and proportion of alloying elements, spherical alloy powders with specific magnetic properties can be obtained to manufacture magnetic devices.
Efficient catalysts and adsorbents: Due to the spherical alloy powder's good surface properties and activity, it can be used to manufacture efficient catalysts and adsorbents. For example, using spherical alloy powders as catalysts or adsorbents can significantly improve their treatment efficiency and stability in automotive exhaust purifiers and industrial wastewater treatment units.
Electronic and communication field: spherical alloy powder has good electromagnetic properties and electrical conductivity and can be used to manufacture various electronic components and communication devices. For example, using spherical alloy powder can improve its electrical conductivity and stability in key parts such as circuit boards and connectors.
Biomedical field: Some spherical alloy powders with special components have good biocompatibility and can be used to manufacture biomedical devices and medical devices. For example, titanium alloy powder can manufacture medical devices such as artificial joints and dental plants to improve patients' medical levels and quality of life.
Spraying and repairing field: Spherical alloy powder can be used as spraying and repairing material. Due to its good fluidity and fillability can be used in industrial repair fields such as surface spraying and filling large casting defects to improve the service life of equipment and components.
Aerospace field: Spherical alloy powder with high density, high strength, and other characteristics, suitable for the aerospace field. For example, in manufacturing aircraft landing gear, rocket engine parts, and other key parts, using spherical alloy powder can improve its high-temperature and fatigue resistance and extend the service life.
Physical mixing method: Physical mixing is among the most popular for making spherical alloy powder. The spherical alloy powder was obtained by mixing different metal elements through melting, atomization, and ball milling. The advantages of this method are simple preparation and low cost, but there are also problems, such as uneven composition and easy introduction of impurities.
Chemical synthesis method: The chemical synthesis method synthesizes metal elements into spherical alloy powder by chemical reaction. The metal element is dissolved in the solvent, the precipitant or reducing agent is added, the metal oxide or metal salt is formed by chemical reaction, and the spherical alloy powder is obtained by thermal decomposition. This method has the advantages of uniform composition and high purity, but it also has the problems of a complex preparation process and high cost.
Mechanical grinding method: The mechanical grinding method prepares metal elements into spherical alloy powder by mechanical grinding. The metal elements are put into the ball mill, adding an appropriate amount of grinding medium, and through the rotation and impact of the ball mill, the metal elements are ground into tiny particles and form spherical alloy powder. The advantages of this method are a simple preparation process and low cost, but there are also problems, such as uneven composition and easy introduction of impurities.
Electrolysis: Electrolysis is a method of preparing metal elements into spherical alloy powder by electrolytic reaction. The metal element is used as the anode, through current, and immersed in the electrolyte solution. The metal oxide or salt is deposited on the anode through electrolysis. Then, the spherical alloy powder is obtained through thermal decomposition. This method has the advantages of uniform composition and high purity, but it also has the problems of a complex preparation process and high cost.
Plasma method: The plasma method uses plasma to prepare metal elements into spherical alloy powder. The metal element is heated to a high temperature to become a plasma state, and an appropriate amount of gas is added to the plasma so that the metal element reacts with the gas to form a spherical alloy powder. The advantages of this method are a simple preparation process and low cost, but there are also problems, such as uneven composition and easy introduction of impurities.
